Web Performance and Core Web Vitals
Free Intermediate course · 10 lessons · 3 weeks · Certificate on completion
Make sites load and respond fast, and pass Google's Core Web Vitals. Across 10 lessons you'll move from fundamentals to a portfolio-ready outcome — at your own pace, with quizzes after each lesson and a final exam to certify your mastery.
What you'll learn
- Why speed matters
- LCP, INP and CLS explained
- Measuring with Lighthouse
- Real-user monitoring
- Critical rendering path
- Images and fonts
Skills you'll pick up
- Why speed matters
- LCP, INP and CLS explained
- Measuring with Lighthouse
- Real-user monitoring
- Critical rendering path
- Images and fonts
Tools covered
- Web Performance
- Real-world projects
- Quizzes
- Final exam
Course modules
Module 1: Why speed matters
Module 1 of Web Performance and Core Web Vitals. 3 lessons · 3h
Module 2: Real-user monitoring
Module 2 of Web Performance and Core Web Vitals. 3 lessons · 3h
Module 3: JavaScript cost
Module 3 of Web Performance and Core Web Vitals. 2 lessons · 2h
Module 4: Fixing layout shift
Module 4 of Web Performance and Core Web Vitals. 2 lessons · 2h
Lessons in this course
- Why speed matters
- LCP, INP and CLS explained
- Measuring with Lighthouse
- Real-user monitoring
- Critical rendering path
- Images and fonts
- JavaScript cost
- Caching and CDNs
- Fixing layout shift
- A performance budget
Instructor
Lena Fischer — Senior Frontend Engineer
Lena Fischer is a Senior Frontend Engineer with years of hands-on experience teaching Web Performance to thousands of learners worldwide.
Certificate
Finish every lesson and pass the final exam to earn a free, verifiable Learnera certificate for Web Performance and Core Web Vitals. It can be downloaded as a PDF and shared on LinkedIn.
Career outcomes
Median global salary $130,000 per year · median India salary ₹18,20,000 per year · 26,776 open roles worldwide
- Web Performance Specialist
- Senior Web Performance Lead
- Web Performance Consultant
Frequently asked questions
Is the Web Performance and Core Web Vitals course free?
Yes. Every Learnera course, including Web Performance and Core Web Vitals, is completely free — lessons, quizzes, the final exam, and the certificate.
How long does Web Performance and Core Web Vitals take?
10 lessons, typically completed in 3 weeks at a comfortable pace.
Do I get a certificate?
Yes — pass the final exam and you receive a free, verifiable certificate you can share on LinkedIn.